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      1 #!/usr/bin/m4
      2 #
      3 # Copyright (c) 2015 Dmitry V. Levin <ldv (at] altlinux.org>
      4 # Copyright (c) 2015 Elvira Khabirova <lineprinter0 (at] gmail.com>
      5 # All rights reserved.
      6 #
      7 # Redistribution and use in source and binary forms, with or without
      8 # modification, are permitted provided that the following conditions
      9 # are met:
     10 # 1. Redistributions of source code must retain the above copyright
     11 #    notice, this list of conditions and the following disclaimer.
     12 # 2. Redistributions in binary form must reproduce the above copyright
     13 #    notice, this list of conditions and the following disclaimer in the
     14 #    documentation and/or other materials provided with the distribution.
     15 # 3. The name of the author may not be used to endorse or promote products
     16 #    derived from this software without specific prior written permission.
     17 #
     18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 AC_DEFUN([st_MPERS],[
     30 
     31 pushdef([MPERS_NAME], translit([$1], [a-z], [A-Z]))
     32 pushdef([HAVE_MPERS], [HAVE_]MPERS_NAME[_MPERS])
     33 pushdef([HAVE_RUNTIME], [HAVE_]MPERS_NAME[_RUNTIME])
     34 pushdef([CFLAG], [-$1])
     35 pushdef([st_cv_cc], [st_cv_$1_cc])
     36 pushdef([st_cv_runtime], [st_cv_$1_runtime])
     37 pushdef([st_cv_mpers], [st_cv_$1_mpers])
     38 
     39 case "$arch" in
     40 	[$2])
     41 	AH_TEMPLATE([HAVE_GNU_STUBS_32_H],
     42 		    [Define to 1 if you have the <gnu/stubs-32.h> header file.])
     43 	AH_TEMPLATE([HAVE_GNU_STUBS_X32_H],
     44 		    [Define to 1 if you have the <gnu/stubs-x32.h> header file.])
     45 	pushdef([gnu_stubs], [gnu/stubs-][m4_substr([$1], 1)][.h])
     46 	AC_CHECK_HEADERS([gnu_stubs], [IFLAG=],
     47 			 [mkdir -p gnu
     48 			  : > gnu_stubs
     49 			  AC_MSG_NOTICE([Created empty gnu_stubs])
     50 			  IFLAG=-I.])
     51 	popdef([gnu_stubs])
     52 	saved_CFLAGS="$CFLAGS"
     53 	CFLAGS="$CFLAGS CFLAG $IFLAG"
     54 	AC_CACHE_CHECK([for CFLAG compile support], [st_cv_cc],
     55 		[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <stdint.h>
     56 						     int main(){return 0;}]])],
     57 				   [st_cv_cc=yes],
     58 				   [st_cv_cc=no])])
     59 	if test $st_cv_cc = yes; then
     60 		AC_CACHE_CHECK([for CFLAG runtime support], [st_cv_runtime],
     61 			[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdint.h>
     62 							 int main(){return 0;}]])],
     63 				       [st_cv_runtime=yes],
     64 				       [st_cv_runtime=no],
     65 				       [st_cv_runtime=no])])
     66 		AC_CACHE_CHECK([whether mpers.sh CFLAG works], [st_cv_mpers],
     67 			[if CC="$CC" CPP="$CPP" CPPFLAGS="$CPPFLAGS" \
     68 			    $srcdir/mpers_test.sh [$1]; then
     69 				st_cv_mpers=yes
     70 			 else
     71 				st_cv_mpers=no
     72 			 fi])
     73 		if test $st_cv_mpers = yes; then
     74 			AC_DEFINE(HAVE_MPERS, [1],
     75 				  [Define to 1 if you have CFLAG mpers support])
     76 		fi
     77 	fi
     78 	CFLAGS="$saved_CFLAGS"
     79 	;;
     80 
     81 	*)
     82 	st_cv_runtime=no
     83 	st_cv_mpers=no
     84 	;;
     85 esac
     86 
     87 AM_CONDITIONAL(HAVE_RUNTIME, [test "$st_cv_runtime" = yes])
     88 AM_CONDITIONAL(HAVE_MPERS, [test "$st_cv_mpers" = yes])
     89 
     90 popdef([st_cv_mpers])
     91 popdef([st_cv_runtime])
     92 popdef([st_cv_cc])
     93 popdef([CFLAG])
     94 popdef([HAVE_RUNTIME])
     95 popdef([HAVE_MPERS])
     96 popdef([MPERS_NAME])
     97 
     98 ])
     99